289042720

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17539}}^1$

素因数の和:17657

約数の個数: 48

約数和(自身を含む): 689532480

約数和(自身を除く): 400489760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 16480, 17539, 35078, 70156, 87695, 140312, 175390, 280624, 350780, 561248, 701560, 1403120, 1806517, 2806240, 3613034, 7226068, 9032585, 14452136, 18065170, 28904272, 36130340, 57808544, 72260680, 144521360, 289042720]

約数ペア:

[(1, 289042720), (2, 144521360), (4, 72260680), (5, 57808544), (8, 36130340), (10, 28904272), (16, 18065170), (20, 14452136), (32, 9032585), (40, 7226068), (80, 3613034), (103, 2806240), (160, 1806517), (206, 1403120), (412, 701560), (515, 561248), (824, 350780), (1030, 280624), (1648, 175390), (2060, 140312), (3296, 87695), (4120, 70156), (8240, 35078), (16480, 17539)]